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Communications of the ACM

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The blog archive provides access to past blog postings from Communications of the ACM and other sources by date.

December 2014


From Computational Complexity

Undergraduate Research

I just received the Cornell Math Matters, dedicated to the memory of  Eugene Dynkin who passed away on November 14 at the age of 90. In my freshman year at Cornell, Dynkin recruited me into his undergraduate research seminar


From The Eponymous Pickle

Ad Spending Falls

Ad Spending Falls

In Adage: " .. Top Ad Spenders Pull Back in Third Quarter ... Internet Display Spending Fell 1.7% as Desktop Page Views Fell  ... Top spender P&G has now posted three consecutive quarters of year-over-year spending declines.


From The Eponymous Pickle

P&G Focuses, Simplifies

P&G Focuses, Simplifies

From the P&G Alumni Network.  Large companies need to simplify and focus on profit." .. The Procter & Gamble Company today announced the sale of its Camay and Zest brands along with the transfer of a manufacturing facility in


From The Eponymous Pickle

TNS and Headspace Neuromarketing

TNS and Headspace Neuromarketing

Although I had seen TNS mentioning these approaches, here is a direct collaboration.  The approach seems to be a combination of EEG and eyetracking methods." ... TNS has long been associated with its strong brand and communications


From The Eponymous Pickle

Google Releases Purchase Prediction Tool

Google Releases Purchase Prediction Tool

In Mediapost:   Most interesting idea, especially as it deals with a perhaps unique path to conversion. Very interesting problem from an analytical point of view.  Includes where interactions occur on the journey.  Read the rest


From The Eponymous Pickle

Style of Artificial Intelligence

Style of Artificial Intelligence

A re-look at NumentaNumenta has developed a cohesive theory, core software technology, and numerous applications all based on principles of the neocortex. This technology lays the groundwork for the new era of machine intelligence


From BLOG@CACM

Why the “Data Lake” is Really a “Data Swamp”

Why the “Data Lake” is Really a “Data Swamp”

The notion of putting all one's data into a "data lake" to encourage employees to run analytics has a serious flaw.


From The Computing Community Consortium Blog

CRA 2015 Undergraduate Researchers Award Winners!

The Education Committee of the Computing Research Association (CRA-E) have announced the winners of the 2015 Outstanding Undergraduate Researchers Award. This year’s nominees were a very impressive group. A number of them were…


From Schneier on Security

Reacting to the Sony Hack

Reacting to the Sony Hack

First we thought North Korea was behind the Sony cyberattacks. Then we thought it was a couple of hacker guys with an axe to grind. Now we think North Korea is behind it again, but the connection is still tenuous. There have


From Computer Science Teacher – Thoughts and Information From Alfred Thompson

Interesting Links 22 December 2014

Interesting Links 22 December 2014

Christmas vacation for me. I love my students but I sure do need a break right now. Like a lot of teachers I can use the time to catch up with things at home and to get ready for the end of our semester which happens in January


From Gödel's Lost Letter and P=NP

Modulating the Permanent

When does it become hard to compute? Thomas Muir coined the term “permanent” as a noun in his treatise on determinants in 1882. He took it from Augustin Cauchy’s distinction in 1815 between symmetric functions that alternate


From XRDS

XRDS: Crossroads, The ACM Magazine for Students

XRDS: Crossroads, The ACM Magazine for Students


From XRDS

A shrimp's tale: why we need to fund research

A shrimp's tale: why we need to fund research

Sean Follmer, Inbal Talgam-Cohen


From XRDS

On the NLP issue

On the NLP issue

XRDS Staff


From XRDS

Health 2.0: the digital health revolution

Health 2.0: the digital health revolution

Diana Lynn MacLeanIn the U.S., although medical records contain patient information, medical providers---including hospitals---own all patient records, which can be shared with insurance companies, pharmacies, researchers, and


From XRDS

The essentials of a computer scientist's toolkit

The essentials of a computer scientist's toolkit

Numair Khan


From XRDS

Staying in touch: how print and digital media can further student chapter outreach

Staying in touch: how print and digital media can further student chapter outreach

Claudia Schulz


From XRDS

Vital technology

Vital technology

Jay Patel


From XRDS

An antidote to impostor syndrome

An antidote to impostor syndrome

Dean Jackson, Taliver Heath


From XRDS

My $300 home cloud server: a story of blood, sweat, and eBay

My $300 home cloud server: a story of blood, sweat, and eBay

Wolfgang Richter


From XRDS

Gathering people to gather data

Gathering people to gather data

Diana Lynn MacLeanAn interview with Paul Wicks, Vice President of Innovation at PatientsLikeMe, a patient network and real-time research platform.


From XRDS

Opportunities of social media in health and well-being

Opportunities of social media in health and well-being

Munmun De ChoudhuryIntelligently leveraging data from millions of social media posts is a modern public health approach that has the potential to save many lives.


From XRDS

Here comes the #engagement: a serious health initiative made trendy

Here comes the #engagement: a serious health initiative made trendy

Fay Cobb Payton, KaMar GallowayCreating a user experience to communicate the seriousness of HIV prevention and awareness can be both educational while entertaining. This combination along with a sense of cultural influence helps


From XRDS

Challenges in personal health tracking: the data isn't enough

Challenges in personal health tracking: the data isn't enough

Matthew KayIncreasingly, personal health data can be tracked and integrated from numerous streams quickly and easily, but our feedback lingers in the land of "show the user a graph and hope." How can we help people make sense


From XRDS

Did I take my meds today?

Did I take my meds today?

Matthew L. LeePeople tend to believe they are more aware of their own health behaviors than they really are. In this article, we present technologies that employ ubiquitous home sensing to support awareness of healthy habits.


From XRDS

Seeing is believing

Seeing is believing

Megan MonroeWhy visualization will play a critical role in bringing big data decision making to a hospital bed near you.


From XRDS

Wearable technologies: one step closer to gait rehabilitation in Parkinson's patients

Wearable technologies: one step closer to gait rehabilitation in Parkinson's patients

Sinziana Mazilu, Gerhard TrösterWearable computing has the potential to fundamentally alter healthcare by enabling long-term patient monitoring and rehabilitation outside of the lab.


From XRDS

Profile Trevor van Mierlo: the story of building a startup in health informatics

Profile Trevor van Mierlo: the story of building a startup in health informatics

Adrian Scoică


From XRDS

The Regenstrief global health informatics group: Indianapolis, Indiana

The Regenstrief global health informatics group: Indianapolis, Indiana

Suranga Nath Kasthurirathne


From XRDS

The anatomy of a human disease network

The anatomy of a human disease network

Marinka Zitnik

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